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or du·fus (do͞o′fəs)
n. pl. doo·fus·es or du·fus·es Slang
An incompetent, foolish, or stupid person.

[Perhaps blend of doof, fool (from Scots) and goofus, fool (from goof).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


informal chiefly US a slow-witted or stupid person
[C20: from Black slang]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


or du•fus

(ˈdu fəs)
n., pl. -fus•es.
Slang. a foolish or inept person.
[1960–65, Amer.; probably alter. of earlier goofus; compare goof]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.doofus - a stupid incompetent person
colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech
simpleton, simple - a person lacking intelligence or common sense
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n (US inf) → doofer Typ, Blödmann m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
Penguin is a lovable doofus, forever hungry and discombobulated.
Boris Johnson is a wolf in sheep's clothing - his sheep shirt scruffily untucked from his sheep trousers, to further promote the loveable doofus angle, obviously - but he was quite amusing on Have I Got News For You once, so whatevs.
So who was the doofus who informed Greyworm that Jon was the actual Brutus behind the stabbing?
Shame he got fired at the end of the episode though as he, while admittedly a doofus, was one of the more affable candidates on offer.
He's developed a particular persona - and the suspicion is that it's very much a persona - of a fun-loving, good natured doofus, think Michelangelo from the Teenage Mutant Ninja Turtles in a (vaguely) human form, and has parlayed that into a side career as a commercial spokesperson He's already briefly appeared in the film You Can't Have It and, like 90% of all human beings with even a remote claim to fame, appeared on Entourage.
A dingus is like a goof, but not an idiot and not to be confused with a doofus. And it looks like Henry is going to have to spend the summer figuring out how to embrace his inner dingus.
It makes them look like a total doofus if they're doing it for an extended period of time," Keslin explained.
But it's understandably hard to convince anyone that the growly, scary-looking dog is actually a big, friendly doofus. My son managed it with his co-workers, largely on the strength of their faith in him as a dog-handler (as evidenced by Cole's impeccable behavior), but, as my son described it in his dry way, "It wasn't ideal." I've been working on this, but Woody and I are about to start work on it in a big way.
"Any adult who puts on a cap risks looking like a clueless doofus" - extract from an article in the Financial Times, referring to Jeremy Corbyn's headgear.
But if you truly, ultimately value a large bank balance over meaningful experiences, you're what's known in the psychological literature as a doofus.
Doofus! Why does that seem to inspire a silly poem?